Delete IsMutable and IsExclusive methods.

webrtc/common_video/i420_video_frame_unittest.cc

Index: webrtc/common_video/i420_video_frame_unittest.cc
diff --git a/webrtc/common_video/i420_video_frame_unittest.cc b/webrtc/common_video/i420_video_frame_unittest.cc
index c942e4a80090b7abc9b3f5a931c86638711a392a..5144c2715f3f488f9b8e07fa50770180f24ed38a 100644
--- a/webrtc/common_video/i420_video_frame_unittest.cc
+++ b/webrtc/common_video/i420_video_frame_unittest.cc
@@ -200,18 +200,6 @@ TEST(TestVideoFrame, CopyBuffer) {
   EXPECT_LE(kSizeUv, frame2.allocated_size(kVPlane));
 }
 
-TEST(TestVideoFrame, ReuseAllocation) {
-  VideoFrame frame;
-  frame.CreateEmptyFrame(640, 320, 640, 320, 320);
-  const uint8_t* y = frame.video_frame_buffer()->DataY();
-  const uint8_t* u = frame.video_frame_buffer()->DataU();
-  const uint8_t* v = frame.video_frame_buffer()->DataV();
-  frame.CreateEmptyFrame(640, 320, 640, 320, 320);
-  EXPECT_EQ(y, frame.video_frame_buffer()->DataY());
-  EXPECT_EQ(u, frame.video_frame_buffer()->DataU());
-  EXPECT_EQ(v, frame.video_frame_buffer()->DataV());
-}
-
 TEST(TestVideoFrame, FailToReuseAllocation) {
   VideoFrame frame1;
   frame1.CreateEmptyFrame(640, 320, 640, 320, 320);